- All sections
- C - Chemistrymetallurgy
- C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K 7/04 - Fibres or whiskers inorganic
Patent holdings for IPC class C08K 7/04
Total number of patents in this class: 460
10-year publication summary
|
30
|
34
|
37
|
29
|
44
|
28
|
30
|
24
|
23
|
19
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Polyplastics Co., Ltd. | 597 |
23 |
| Mitsubishi Engineering-Plastics Corporation | 299 |
11 |
| Toray Industries, Inc. | 7149 |
10 |
| Arkema France | 4231 |
10 |
| Ticona LLC | 601 |
10 |
| Otsuka Chemical Co., Ltd. | 279 |
9 |
| Idemitsu Kosan Co., Ltd. | 4275 |
8 |
| Sekisui Chemical Co., Ltd. | 3639 |
7 |
| Sumitomo Chemical Company, Limited | 8965 |
6 |
| Mitsubishi Gas Chemical Company, Inc. | 3643 |
6 |
| Rockwool A/S | 843 |
6 |
| 3m Innovative Properties Company | 17455 |
5 |
| Unitika Ltd. | 447 |
5 |
| FUJIFILM Corporation | 30689 |
4 |
| Mitsubishi Chemical Corporation | 4746 |
4 |
| Asahi Kasei Kabushiki Kaisha | 2860 |
4 |
| Daicel-evonik Ltd. | 50 |
4 |
| Japan Polypropylene Corporation | 141 |
4 |
| Johns Manville | 915 |
4 |
| LG Hausys, Ltd. | 806 |
4 |
| Other owners | 316 |